Spacefarers may contaminate other worlds—but scientists have plans to keep the cosmos clean
In his inauguration speech in January, United States President Donald Trump declared the US would "plant the stars and stripes on the planet Mars."
In his inauguration speech in January, United States President Donald Trump declared the US would "plant the stars and stripes on the planet Mars."
Space Exploration
Feb 12, 2025
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Burrowing under soil opens up a whole new world, especially when that soil is on other planets. Getting under the top layer of regolith on a world such as Mars could give access to a world still extant with life, whereas, ...
Space Exploration
Feb 4, 2025
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Last year, a study led by planetary scientist Richard Cartwright at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, proposed that deposits of carbon dioxide ice and other carbon-bearing molecules on ...
Planetary Sciences
Feb 4, 2025
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We live in a golden age for space exploration. Scientists are gathering massive amounts of new information and scientific evidence at a record pace. Yet the age-old question remains unanswered: Are we alone?
Space Exploration
Feb 3, 2025
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Californians watching the sky in February have the chance to view a parade of planets and a snow moon. The planetary alignment that began in January will continue into February, according to AccuWeather.
Space Exploration
Feb 3, 2025
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It took two years for NASA's OSIRIS-REx space probe to return from asteroid Bennu before dropping off a small capsule as it flew past Earth, which was then recovered in the desert of the U.S. state of Utah on September 24, ...
Astrobiology
Jan 29, 2025
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Southwest Research Institute partnered with the Carnegie Institution for Science to perform laboratory experiments to better understand how Saturn's moon Titan can maintain its unique nitrogen-rich atmosphere. Titan is the ...
Planetary Sciences
Jan 27, 2025
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Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's responsible for the orbits of the planets and their satellites, but there are other forces that ...
Planetary Sciences
Jan 27, 2025
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At the 2025 Meeting of the American Astronomical Society, two teams of astronomers—centered at Penn State and MIT—independently announced new discoveries about an extreme form of planetary destruction: apparently rocky ...
Astronomy
Jan 23, 2025
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Six planets grace the sky this month in what's known as a planetary parade, and most can be seen with the naked eye.
Planetary Sciences
Jan 17, 2025
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